Price-Risk Management Price-Risk Management (Tables)

9 Months Ended

Sep. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments [Table Text Block]

The following tables summarize the weighted average prices as well as future production volumes for our unsettled derivative contracts in place as of September 30, 2018:

Oil Derivative Swaps (NYMEX WTI Settlements)	Total Volumes (Bbls)	Weighted Average Price
2018 Contracts
4Q18	122,800	$	52.23
2019 Contracts
1Q19	116,700	$	53.75
2Q19	112,200	$	53.74
3Q19	108,000	$	53.85
4Q19	104,000	$	53.83
2020 Contracts
1Q20	81,300	$	52.42
2Q20	77,850	$	52.38
3Q20	74,700	$	52.34
4Q20	72,000	$	52.29

Natural Gas Derivative Contracts (NYMEX Henry Hub Settlements)	Total Volumes (MMBtu)	Weighted Average Price
2018 Contracts
4Q18	8,273,000	$	2.96
2019 Contracts
1Q19	7,516,000	$	3.08
2Q19	6,060,000	$	2.83
3Q19	5,550,000	$	2.84
4Q19	5,966,000	$	2.84
2020 Contracts
1Q20	5,370,000	$	2.83
2Q20	3,688,000	$	2.76
3Q20	3,585,000	$	2.76
4Q20	3,362,000	$	2.77

NGL Contracts	Total Volumes (Bbls)	Weighted Average Price
2018 Contracts
4Q18	148,200	$	24.79
2019 Contracts
1Q19	150,000	$	27.05
2Q19	150,000	$	27.05
3Q19	150,000	$	27.05
4Q19	150,000	$	27.05

Natural Gas Basis Derivative Swap (East Texas Houston Ship Channel vs NYMEX Settlements)	Total Volumes (MMBtu)	Weighted Average Price
2018 Contracts
4Q18	8,000,000	$	(0.07	)
2019 Contracts
1Q19	11,310,000	$	(0.08	)
2Q19	11,975,000	$	0.04
3Q19	12,095,000	$	0.03
4Q19	12,095,000	$	(0.04	)
2020 Contracts
1Q20	6,279,000	$	(0.08	)
2Q20	6,279,000	$	(0.08	)
3Q20	6,348,000	$	(0.07	)
4Q20	6,348,000	$	(0.08	)

Oil Basis Contracts (Argus Cushing (WTI) and LLS Settlements)	Total Volumes (Bbls)	Weighted Average Price
2018 Contracts
4Q18	80,000	$	4.13
2019 Contracts
1Q19	45,000	$	4.65
2Q19	45,000	$	4.65
3Q19	45,000	$	4.65
4Q19	45,000	$	4.65